but after decades of battling drug lords and seizing and burning illicit drugs, the presidents of guatemala, colombia, and mexico, crucial aflies america's war on drugs, are wondering if they are fighting a losing battle. >> look at mexico the past six years, more than 60,000 dead in their drug wars, and that's just one country. >> reporter: this week, the president of mexico believes honduras and costa rica called for an international debate on legalization. >> there's a real concern over rising crime, and in particular, violence. so rather than just escalate the routine enforcement, they've decided that we ought to look at a legal, regulated market as a possible solution. >> brennan: according to the u.n., cannabis, which include marijuana and harbish, is the world's most widely used illicit substance. next, a question facing japan. where did the money for fukushima's reconstruction go?